VirtioNetDxe driver has been updated to use IOMMU-like member functions
from VIRTIO_DEVICE_PROTOCOL to translate the system physical address to
device address. We do not need to do anything special when
VIRTIO_F_IOMMU_PLATFORM bit is present hence treat it in parallel with
VIRTIO_F_VERSION_1.
Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Cc: Jordan Justen <jordan.l.justen@intel.com>
Cc: Tom Lendacky <thomas.lendacky@amd.com>
Cc: Laszlo Ersek <lersek@redhat.com>
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Brijesh Singh <brijesh.singh@amd.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Regression-tested-by: Laszlo Ersek <lersek@redhat.com>
Tested-by: Laszlo Ersek <lersek@redhat.com>
ASSERT (Dev->Snm.MediaPresentSupported ==\r
!!(Features & VIRTIO_NET_F_STATUS));\r
\r
ASSERT (Dev->Snm.MediaPresentSupported ==\r
!!(Features & VIRTIO_NET_F_STATUS));\r
\r
- Features &= VIRTIO_NET_F_MAC | VIRTIO_NET_F_STATUS | VIRTIO_F_VERSION_1;\r
+ Features &= VIRTIO_NET_F_MAC | VIRTIO_NET_F_STATUS | VIRTIO_F_VERSION_1 |\r
+ VIRTIO_F_IOMMU_PLATFORM;\r
\r
//\r
// In virtio-1.0, feature negotiation is expected to complete before queue\r
\r
//\r
// In virtio-1.0, feature negotiation is expected to complete before queue\r
// step 5 -- keep only the features we want\r
//\r
if (Dev->VirtIo->Revision < VIRTIO_SPEC_REVISION (1, 0, 0)) {\r
// step 5 -- keep only the features we want\r
//\r
if (Dev->VirtIo->Revision < VIRTIO_SPEC_REVISION (1, 0, 0)) {\r
- Features &= ~(UINT64)VIRTIO_F_VERSION_1;\r
+ Features &= ~(UINT64)(VIRTIO_F_VERSION_1 | VIRTIO_F_IOMMU_PLATFORM);\r
Status = Dev->VirtIo->SetGuestFeatures (Dev->VirtIo, Features);\r
if (EFI_ERROR (Status)) {\r
goto ReleaseTxRing;\r
Status = Dev->VirtIo->SetGuestFeatures (Dev->VirtIo, Features);\r
if (EFI_ERROR (Status)) {\r
goto ReleaseTxRing;\r